# std::match_results<BidirIt,Alloc>::begin, std::match_results<BidirIt,Alloc>::cbegin

From cppreference.com
< cpp‎ | regex‎ | match results

iterator begin() noexcept; |  | (since C++11)
const_iterator begin() const noexcept; |  | (since C++11)
const_iterator cbegin() const noexcept; |  | (since C++11)

Returns an iterator to the beginning of the list of sub-matches. If match was successful, the iterator will point to the entire matched expression.

### Parameters

(none)

### Return value

Iterator to the first sub-match.

### Complexity

Constant.

### See also

endcend | returns iterator to the end of the list of sub-matches (public member function)

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